
Lattice 2014, the 32nd International Symposium on Lattice Field Theory, was held from June 23-28, 2014 on the campus of Columbia University in the City of New York and jointly organized by Brookhaven National Laboratory and Columbia University. Over 415 participants from around the world were in attendance and the plenary program was streamed out via Livestream. Parallel sessions were held in various academic buildings on campus, including Pupin Hall, the home of the Columbia Physics Department and the location of many seminal events in the history of physics.
These annual lattice conferences bring together a diverse community of theoretical physicists all bound by a common interest in a deeper and more quantitative understanding of quantum field theories and the phenomena they predict. Attendees use the largest available computers, and substantial amounts of time on these machines, to produce predictions from well established theories, like Quantum Chromodynamics, while also regularly improving our basic theoretical and numerical tools for analyzing a wide spectrum of quantum field theories. Predictions from Quantum Chromodynamics are vital for precision tests of the Standard Model of Particle Physics and for understanding the phenomena seen at primarily Quantum Chromodynamics oriented experiments, such as at the Relativistic Heavy Ion Collider at Brookhaven National Laboratory. There is also considerable focus on studying a wide variety of quantum field theories which currently have no direct experimental utility, but which may play a role in physics beyond the Standard Model.
The annual lattice conferences in this series are the most important vehicle for theorists in this field to exchange ideas and stay abreast of the rapid developments worldwide. In addition, nearly one fourth of the attendees were students, for whom the conference offers a detailed overview of the field. The presence of so many younger researchers testifies to the dynamism of the science being studied.
We would like to thank the members of the International Advisory Committee for their help in organizing the scientific program for this conference. We also acknowledge support from Brookhaven National Laboratory, Columbia University, Koi Computer, The RIKEN-BNL Research Center, Brookhaven Science Associates and Lawrence Livermore National Laboratory. Finally, we thank the attendees for making the trip to New York City to share their ideas and results with this international community.
Plenary |
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Hadron Structure
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Heavy Flavors
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Recent results on topology on the lattice (in memory of Pierre van Baal)
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Validity of ChPT - is $M_\pi=135$ MeV small enough ?
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Few-body physics
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Hadronic Interaction
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Simulation in Astrophysics
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Inclusion of isospin breaking effects in lattice simulations
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Quark masses
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Hadron Spectroscopy
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New algorithms for finite density QCD
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Wilson flow and renormalization
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QCD in magnetic fields: from Hofstadter's butterfly to the phase diagram
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Hidden exact symmetry in graphene
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Lattice QCD with purely imaginary sources at zero and non-zero temperature.
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QPACE 2 and Domain Decomposition on the Intel Xeon Phi
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Measurement of thermodynamics using Gradient Flow
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Long Distance Effects from the Lattice
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Finite Temperature ($\mu=0$)
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Algorithms and Machines |
Dynamical QCD+QED simulation with staggered quarks
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Diffusion of topological charge and scaling of autocorrelation times in hybrid Monte Carlo simulations of lattice QCD
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The FUEL code project
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CLS 2+1 flavor simulations
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Extending the QUDA library with the EigCG solver
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Coulomb and Landau Gauge Fixing in GPUs using CUDA and MILC
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Staggered Dslash Performance on Intel Xeon Phi Architecture
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Optimization of Lattice QCD Calculation on GTX Titan Black GPU and Xeon Phi Coprocessor
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Lattice QCD code Bridge++ on multi-thread and many core accelerators
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CL2QCD - Lattice QCD based on OpenCL
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Light glueball masses using multilevel algorithm
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Tuning of the strange quark mass with optimal reweighting
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Fast evaluation of multi-hadron correlation functions
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Improved Sampling Algorithms in Lattice QCD
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HISQ inverter on Intel Xeon Phi and NVIDIA GPUs
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High-Performance I/O: HDF5 for Lattice QCD
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An algorithm for thimble regularization of lattice field theories (and possibly not only for that)
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A Method to Calculate Conserved Currents and Fermionic Force for the Lanczos Approximation to the Overlap Dirac Operator
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Conjugate Directions in Landau and Coulomb Lattice Gauge Fixing
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A filtering technique for the temporally reduced matrix of the Wilson fermion determinant
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pyQCD: A Native Lattice Simulation Package for Python
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Applications Beyond QCD |
Beta function of three-dimensional QED
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Monte-Carlo study of the phase transition in the AA-stacked bilayer graphene
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Hybrid-Monte-Carlo simulation of the tight-binding model of graphene with partially screened Coulomb interactions
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Path Integral Monte-Carlo method for relativistic quantum systems
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Numerical simulation of graphene in an external magnetic field
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Solution to new sign problems with Hamiltonian Lattice Fermions
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Glueball masses in 2+1 dimensional SU(N) gauge theories with twisted b.c.
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Spectrum and Observables in Yang-Mills-Higgs Theory
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Spontaneous chiral symmetry breaking and chiral magnetic effect in Weyl semimetals
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The electro weak transition and the equation of state in the SU(2)-Higgs-model
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The effective U(1)-Higgs theory at strong couplings on optical lattices
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Chiral Symmetry |
Phase Diagram of Wilson and Twisted Mass Fermions at finite isospin chemical potential
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Phase diagram of non-degenerate Wilson and twisted mass fermions
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Individual eigenvalue distributions for chGSE-chGUE crossover and determination of low-energy constants in two-color QCD+QED
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Mesons upon low-lying Dirac mode exclusion
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Fine lattice simulations with the Ginsparg-Wilson fermions
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Partial quenching and chiral symmetry breaking
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Correlation functions with Karsten-Wilczek fermions
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The Chiral Condensate of One-Flavor QCD and the Dirac Spectrum at $\theta=0$
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Chiral condensate in nf=2 QCD from the Banks-Casher relation
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Comparison of different lattice definitions of the topological charge
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Hadron Spectroscopy and Interactions |
Pion-pion scattering phase shifts with the stochastic LapH method
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Pi-Pi Scattering with N_f=2+1+1 Twisted Mass Fermions
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Lattice study of pion-pion scattering using Nf=2+1 Wilson improved quarks with masses down to their physical values.
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K-pi scattering lengths at physical kinematics
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Hadron spectra and Delta_mix from overlap quarks on a HISQ sea.
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Spectroscopy of charmed baryons from lattice QCD
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Low lying charmonium states at the physical point
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DK and D* K scattering near threshold
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Conserved currents and results from 2+1f dynamical Mobius DWF simulations at the physical point
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Relativistic three-particle quantization condition: an update
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On the extraction of spectral quantities with open boundary conditions.
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Gradient Flow Analysis on MILC HISQ Ensembles
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Radial and orbital excitation energies of charmonium
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On the Structure of the Lambda 1405
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Multi-channel 1 to 2 matrix elements in finite volume
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Scalar Mesons on the Lattice Using Stochastic Sources on GPU Architecture.
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Heavy Meson Spectrum Tests of the Oktay-Kronfeld Action
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Nucleon spectroscopy using multi-particle operators
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Lattice QCD with 2+1 Flavors and Open Boundaries: First Results of the Baryon Spectrum
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Baryon spectrum with Nf=2+1+1 twisted mass fermions
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Excited isovector mesons using the stochastic LapH method
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Investigation of the tetraquark candidate a_0(980): technical aspects.
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Flavored tetraquark spectroscopy
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Search for a bound H-dibaryon using local six-quark interpolating operators
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Two-Baryon Systems with Twisted Boundary Conditions
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Determining Sigma - Lambda mixing
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Free-form Smeared Bottomonium Correlation Functions
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Omega-Omega interaction from 2+1 flavor QCD
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Finite volume effects and the electromagnetic contributions to kaon and pion masses
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Search for Z_c(3900) on the lattice with twisted mass fermions
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Study of the Zc+ channel in lattice QCD
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Updated results from maximally twisted mass QCD at the physical point
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Rho mesons in strong abelian magnetic field in SU(3) lattice gauge theory
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Baryon resonances coupled to Pion-Nucleon states in lattice QCD
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Error reduction with all-mode-averaging in Wilson fermion
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The charmonium states X(3872)(1++) and Zc(3900)(1+-) on HISQ lattices
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Hadron Structure |
A new strategy for evaluating the LO HVP contribution to (g-2)_mu on the lattice
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The leading hadronic contribution to (g-2) of the muon: The chiral behavior using the mixed representation method
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The leading disconnected contribution to the anomalous magnetic moment of the muon
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The strange and charm quark contributions to the anomalous magnetic moment (g -2) of the muon from current-current correlators
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Lattice Calculation of the Hadronic Light by Light Contributions to the Muon Anomalous Magnetic Moment
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Volume effects on the method of extracting form factors at zero momentum
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Initial nucleon structure results with chiral quarks at the physical point
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News from hadron structure calculations with twisted mass fermions
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Hadron mass decomposition from Lattice QCD
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Quark Spin in the Nucleon with Overlap Fermion
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Results on the disconnected contributions for hadron structure
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Disconnected Quark Loop Contributions to Nucleon Structure
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Strange quark momentum fraction from overlap fermion
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Computing the nucleon sigma terms at the physical point
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Extraction of the isovector magnetic form factor of the nucleon at zero momentum
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Lepton anomalous magnetic moments from N_f=2+1+1 twisted mass fermions and N_f=2 twisted mass fermions at the physical point
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Suppression of excited-state effects in lattice determination of nucleon electromagnetic form factors
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Nucleon electromagnetic form factors from twisted mass lattice QCD
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Systematics analyses on nucleon isovector observables in 2+1-flavor dynamical domain-wall lattice QCD near physical mass
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Nucleon axial form factors from two-flavour Lattice QCD
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Nucleon observables and axial charges of other baryons using twisted mass fermions
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Precision calculations of nucleon charges g_A, g_S and g_T
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Electric polarizability of neutral hadrons from dynamical lattice QCD ensembles
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Perturbative reweighting, dilution, and low mode substitution for sea quark contribution to the neutron polarizability
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Background field method and nonrelativistic QED matching
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Vacuum alignment and lattice artifacts
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Electromagnetic structure of charmed baryons in Lattice QCD
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Electromagnetic matrix elements for Negative Parity Nucleons
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Towards the physical point hadronic vacuum polarisation from Möbius DWF
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Leading-order hadronic contribution to $g_\mu-2$ from $N_f=2+1$ simulations down to the physical pion mass
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A Study of the anomalous magnetic moment of the muon computed from the Adler function
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Study of the couplings of QED and QCD from the Adler function
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Towards the large volume limit - An application to hadronic contributions to muon g-2 and EM corrections
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Connected and disconnected quark contributions to hadron spin
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Glue Helicity $\Delta G$ In the Nucleon
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Nucleon transverse momentum-dependent parton distributions from domain wall fermion calculations at 297 MeV pion mass
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Nonperturbative renormalisation for low moments of light-meson distribution amplitudes
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The Delta N gamma* transition form factors on the lattice
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Signal/noise optimization strategies for stochastically estimated correlation functions
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Nonzero Temperature and Density |
Curvature of the QCD critical line with 2+1 HISQ fermions
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Effective SU(2) Polyakov Loop Theories with Heavy Quarks on the Lattice
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The curvature of the QCD critical line from analytic continuation
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Lattice simulations of G2-QCD at finite density
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Status of the SU3 Lambda Scale
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Deconfinement transition as a black hole formation by the condensation of QCD string
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Gluonic Correlations at Deconfinement
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Thermodynamics of heavy-light hadrons
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Exploring the QCD phasediagram with conserved charge fluctutaions
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Quark number density at imaginary chemical potential and its extrapolation to large real chemical potential by the effective model
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Fluctuation effects on QCD phase diagram at strong coupling
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On curing the divergences in the quark number susceptibility
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Temperature dependence of meson screening masses; a comparison of effective model with lattice QCD
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Renormalization group flow of linear sigma model with UA(1) anomaly
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The Combinatorics of Lattice QCD at Strong Coupling
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The N_f=3 critical endpoint with smeared staggered quarks
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Update on the critical endpoint of the finite temperature phase transition for three flavor QCD with clover type fermions
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Scalar correlators near the 3-flavor thermal critical point
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Critical end point in Nf=3 QCD with finite density and temperature
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Canonical approach to the finite density QCD with winding number expansion
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Complex Langevin dynamics for SU(3) gauge theory in the presence of a theta term
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Exploring the phase diagram of QCD with complex Langevin simulations
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Solution of simple toy models via thimble regularization of lattice field theory
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The Z3 model with the density of states method
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Dual simulation of finite density lattice QED at large mass
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Systematic approximation for QCD at non-zero density
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NRQCD based S- and P-wave Bottomonium spectra at finite temperature from 48^3x12 lattices with Nf=2+1 light HISQ flavors
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Condensation in two flavor scalar electrodynamics with non-degenerate quark masses
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Axial U(1) symmetry at finite temperature with Mobius domain-wall fermions
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Effects of near-zero Dirac eigenmodes on axial U(1) symmetry at finite temperature
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Dirac eigenmodes at the QCD Anderson transition
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Understanding localisation in QCD through an Ising-Anderson model
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Chiral transition as Anderson transition
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Charmonium spectra and dispersion relation with improved Bayesian analysis in lattice QCD
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Mesonic spectral functions and transport properties in the quenched QCD continuum
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Charmonium spectral functions from 2+1 flavour lattice QCD
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Quark mass dependence of quarkonium properties at finite temperature
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The in-medium heavy quark potential from quenched and dynamical lattice QCD
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Multipoint reweighting method and beta-functions for the calculation of QCD equation of state
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Recent results on the Equation of State of QCD
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The QCD Equation of State
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The QCD Equation of State at order $\mu_B^4$
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Deconfining temperatures in SO(N) and SU(N) gauge theories
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The density of states from first principles
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A novel density of state method for complex action system
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Quark number susceptibilities from fugacity expansion at finite chemical potential
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Shear Viscosity from Lattice QCD
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Effective Polyakov line actions, and their solutions at finite chemical potential
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Chiral dynamics in the low-temperature phase of QCD
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Two-color QCD with chiral chemical potential
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Deconfinement transition in two-flavour lattice QCD with dynamical overlap fermions in an external magnetic field
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Magnetic properties of the QCD medium
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Physics Beyond the Standard Model |
Models of Walking Technicolor on the Lattice
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Phase Structure Study of SU(2) Lattice Gauge Theory with 8 flavours
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SU(2) gauge theory with many flavors of domain-wall fermions
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Approaching Conformality
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Walking technicolor: testing infra-red conformality with exact results in two dimensions
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Toward the minimal realization of a light composite Higgs
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Gauge and Higgs boson masses from an extra dimension
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Composite (Goldstone) Higgs Dynamics on the Lattice: Spectrum of SU(2) Gauge Theory with two Fundamental Fermions
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Beyond the Standard Model Matrix Elements with the gradient flow
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Determination of the mass anomalous dimension for Nf=12 and Nf=9 SU(3) gauge theories
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Numerical investigations of Supersymmetric Yang-Mills Quantum Mechanics with 4 supercharges
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Targeting the Conformal Window: Determining the Running Coupling
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Exploring the phase structure of 12-flavor SU(3)
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Conformality in twelve-flavor QCD
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Improved gradient flow for step scaling function and scale setting
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The gradient flow running coupling in SU2 with 8 flavors
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SU(3) gauge theory with 12 flavours in a twisted box
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Four-fermi anomalous dimension with adjoint fermions
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Calculating the chiral condensate diagrammatically at strong coupling
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First studies of the phase diagram of N=1 supersymmetric Yang-Mills theory
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Lattice Formulations of Supersymmetric Gauge Theories with Matter Fields
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Results from lattice simulations of N=4 supersymmetric Yang-Mills
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Dark matter baryon candidates in the sextet gauge model
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Scattering lengths in SU(2) Gauge Theory with two Fundamental Fermions
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Gauge-invariant signature of spontaneous gauge symmetry breaking by the Hosotani mechanism
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Latest lattice results of N=1 supersymmetric Yang-Mills theory with some topological insights
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Non-renormalization theorem and cyclic Leibniz rule in lattice supersymmetry
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Spectrum of the SU(4) lattice gauge theory with fermions in the anti-symmetric two index representation
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Phase structure and Higgs boson mass in a Higgs-Yukawa model with a dimension-6 operator
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Standard Model Parameters and Renormalization |
A perturbative study of the chirally rotated Schrödinger functional in QCD
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A dynamical study of the chirally rotated Schrödinger functional in QCD
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Non perturbative renormalization and running of Delta F=2 four-fermion operators in the SF scheme.
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Non-perturbative improvement and renormalization of the axial current in N_f=3 lattice QCD
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Renormalization constants for $N_{\rm f}=2+1+1$ twisted mass QCD
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Determination of $c_{\rm sw}$ in $N_f=3+1$ Lattice QCD with massive Wilson fermions
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Neutron-Antineutron Operator Renormalization
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Towards a new determination of the QCD Lambda parameter from running couplings in the three-flavour theory
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Perturbative and non-perturbative renormalization results of the Chromomagnetic Operator on the Lattice
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Physical and cut-off effects of heavy charm-like sea quarks
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Nonperturbative renormalization of bilinear operators with Mobius domain-wall fermions in the coordinate space
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Non-perturbative Renormalization of Four-fermion Operators Relevant to B_K with Staggered Quarks.
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NPR step-scaling across the charm threshold
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Using NSPT for the Removal of Hypercubic Lattice Artifacts
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An update on the status of NSPT computations
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Isospin Effects by Mass Reweighting
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Renormalization of Flavor Singlet and Nonsinglet Fermion Bilinear Operators
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Theoretical Developments |
Polyakov Loop Correlations at Large N
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TEK twisted gradient flow running coupling
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Testing volume independence of large N gauge theories on the lattice
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Temperature dependence of the chiral condensate in the Schwinger model with Matrix Product States
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Grassmann Tensor Renormalization Group Study of Lattice QED with Theta Term in Two Dimensions
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Causal Space-Time on a Null Lattice with Hypercubic Coordination
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Triviality of $\phi^4_4$ in the broken phase revisited
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Induced QCD with Nc auxiliary bosonic fields
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Matrix product states for gauge field theories
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Fermion-bags and a new origin for a fermion mass
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Partially quenched chiral perturbation theory for N=1 supersymmetric Yang-Mills theory
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Critical behavior and continuum scaling of 3D Z(N) lattice gauge theories
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Lattice calculation of neural network of theta neuron
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Prepotential Formulation of Lattice Gauge theories
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Lattice Hamiltonian approach to the Schwinger model
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Pion masses in 2-flavor QCD with $¥eta$ condensation
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Conformal Lattice Field Theory on Spherical Manifolds
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Blocking versus Sampling
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Topologically restricted measurements in lattice sigma-models
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Hadron masses from fixed topological simulations: discussion of parity partners and SU(2) Yang-Mills results.
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Non-perturbative renormalization of the energy-momentum tensor in SU(3) Yang-Mills theory
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Topology density correlator on dynamical domain-wall ensembles with nearly frozen topological charge
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Optimisation of Quantum Evolution Algorithms
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Tensor renormalization group study of the 2d O(3) model
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String tension from smearing and Wilson flow methods
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Tree level improvement of the gradient flow
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How to reduce O(a^2) effects in gradient flow observables?
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Locally smeared operator product expansions
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A construction of the Schrodinger Functional for Möbius Domain Wall Fermions
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Crank-Nicolson discretization scheme and lattice fermions
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Fermion Mass Generation without a chiral condensate
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The Hadronic Spectrum and Confined Phase in (1+1)-Dimensional Massive Yang-Mills Theory
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Vacuum Structure and Confinement |
Confinement, the Abelian Decomposition, and the Contribution of Topology to the Static Quark Potential
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Deconfinement, Chiral Symmetry Breaking and Chiral Polarization
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Partial restoration of chiral symmetry inside hadrons
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Exploring confinement in SU(N) gauge theories with double-trace Polyakov loop deformations
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Magnetic monopole and confinement/deconfinement phase transision in SU(3) Yang-Mills theory
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Zero modes of overlap fermions, instantons and monopoles
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Spectral Flow and Index Theorem for Staggered Fermions
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Long Range Topological Order, the Chiral Condensate, and the Berry Connection in QCD
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Comparative study of topological charge
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Study of the Theta Angle in Scalar QED_2 in a Dual Representation
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Overlap Quark Propagator in Coulomb Gauge QCD
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Evidence of BRST-Symmetry Breaking in Lattice Minimal Landau Gauge
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On the rigid string contribution to the interquark potential
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Effective string description of the interquark potential in the 3D U(1) Lattice Gauge Theory
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London penetration depth and coherence length of SU(3) vacuum flux tubes
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Anisotropy of the quark anti-quark potential in a magnetic field
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The static three-quark potential from the Polyakov loop correlation function
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Testing the Witten-Veneziano mechanism with the Yang-Mills gradient flow on the lattice
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The Dyson-Schwinger equation of a link variable in lattice Landau gauge theory
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Z(N) dependence of the pure Yang-Mills gluon propagator in the Landau gauge near Tc
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Smearing Center Vortices
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Centre Vortex Effects on the Overlap Quark Propagator
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Study of axial magnetic effect
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Surface operators study within the lattice QCD
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two-dimensional phase structure of SU(2) gauge-Higgs model
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Weak Decays and Matrix Elements |
Calculation of $K \to \pi\pi$ decay amplitudes with improved Wilson fermion in 2+1 flavor lattice QCD
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Lattice Measurement of the Delta I=1/2 Contribution to Standard Model Direct CP-Violation in $K\rightarrow \pi \pi$ Decays at Physical Kinematics: Part I
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Lattice Measurement of the Delta I=1/2 Contribution to Standard Model Direct CP-Violation in $K\rightarrow \pi \pi$ Decays at Physical Kinematics: Part II
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Rare kaon decays from lattice QCD
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Kl - Ks mass difference computed with a 171 MeV pion mass
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The Kaon Semileptonic Form Factor from Domain Wall QCD at the Physical Point
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Calculation of BSM Kaon B-parameters using improved staggered quarks in N_f = 2+1 QCD.
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Current status of $\varepsilon_K$ calculated on the lattice
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Rare $B$ decays using lattice QCD form factors
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Neutral B-meson mixing with physical u, d, s, and c sea quarks
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Kaon and D meson semileptonic form factors from lattice QCD
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The scalar B meson in the static limit of HQET
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B meson decay constants and Delta B=2 matrix elements with static heavy and doma in-wall light quarks
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Neutral B-meson mixing parameters in and beyond the SM with 2+1 flavor lattice QCD
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Charm physics with Moebius Domain Wall Fermions
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Charm physics with physical light and strange quarks using domain wall fermions
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Scaling study of an improved fermion action on quenched lattices
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Charmed and strange pseudoscalar meson decay constants from HISQ simulations
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Leptonic B and D decay constants with 2+1 flavor asqtad fermions
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Matrix elements for D-meson mixing from 2+1 lattice QCD
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$B\to\pi$ semileptonic form factors from unquenched lattice QCD
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$K \to \pi$ vector form factor with $N_f=2+1+1$ Twisted Mass fermions
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Improved currents for B to D(*) ell nu form factors from Oktay-Kronfeld heavy quarks
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Non-perturbative study of the chromagnetic operator on the lattice
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